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| Hartzell Constant Speed Propellers New Constant-Speed Propellers |  |
Van's Aircraft has an OEM agreement with the Hartzell Propeller Company which enables us to offer brand new constant-speed propellers for RV aircraft. This agreement requires that propellers purchased from Van's be used in RVs.These props weigh 50 to 55 lbs. They require a constant-speed cowl unless noted otherwise. Since mid 1994, this has been the standard cowl shipped with all kits. These props go to a flat pitch (take-off position) with no oil pressure and go to maximum pitch with maximum control pressure which is supplied by an engine driven prop governor. The recently developed "blended airfoil" propellers from Hartzell are designated as "C2YR's" while the older style "paddle blade" propellers are designated "C2YL". The propellers with a 74" blade diameter are applicable to the "A" or tricycle gear aircraft except on the RV-8, while the 72" blade diameters are recommended for the tailwheel aircraft due specifically to ground clearance issues. A Hartzell three blade composite propeller is available for the RV-10. Must be bought with the polished aluminum spinner, as the Van's kit spinner will not work with a three blade propeller. A 74" or 72" two blade composite propeller for the (I)O-360 180/200hp engines is also available. We have no performance data to compare these composite propellers with the aluminum blended airfoil type. No testing has been done that suggests any performance difference between the 72" and 74" propellers. PROP C2YL-1BF/F7663-4 (I)O-320 diameter: 72" Application: RV-3, RV-4, RV-6/6A, RV-7/7A, RV-8/8A, RV-9/9APROP C2YR-1BF/F74972 (I)O-360 (180/200hp) diameter: 72" Application: RV-4, RV-6/6A, RV-7/7A, RV-8/8APROP C2YR-1BF/F7497 (I)O-360 (180/200hp) diameter: 74" Application: RV-7A, RV-8/8APlease review propeller application restrictions on the Hartzell website. http://www.hartzellprop.com/ ALL HARTZELL PROPS INCLUDE BOLTS AND MOUNTING HARDWARE. BECAUSE OF THE O.E.M. AGREEMENT, THESE PROPELLERS MUST BE ORDERED IN WRITING. If a new propeller and an Experimental Lycoming engine are ordered at the same time, Van's can offer a special "package" discount on the combination.Click Here for details.
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